Finding the Fourth Proportional to 328,622.64, 453,497.88 and 177,719.28
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Solution
The fourth proportional to 328,622.64, 453,497.88 and 177,719.28 is: 245,251.87
Step by Step Solution
- Step 1: Write the proportion equation
328,622.64 : 453,497.88 = 177,719.28 : x - Step 2: Convert to fraction form
328,622.64/453,497.88 = 177,719.28/x - Step 3: Cross multiply
328,622.64x = 453,497.88 × 177,719.28 - Step 4: Simplify right side
328,622.64x = 80,595,316,715.13 - Step 5: Solve for x
x = 80,595,316,715.13/328,622.64 - Step 6: Final answer
x = 245,251.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.